diplomatic sources in beijing say the foreign ministry summoned north korean's ambassador to persuade pyongyang to exercise restraint on the issue. the north rejected china's demand. the row appears to underscore north korea's uncompromising stance on nuclear policy. >>> iran's supreme leader ayatollah khomeini rejected a proposal for direct talks with the united states, saying the country is pushing negotiations with the threat of military force. khomeini spoke on thursday in the capital tehran. the supreme leader say that u.s. politicians should know that pressure and negotiation are not compatible. he also said the ball is in the u.s. court, suggesting he wants to see further action by the country. his remarks came days after u.s. vice president joe biden said the united states is prepared to hold bilateral negotiations with tehran, if the talks are real and tangible. negotiators from iran and six major powers including the u.s. will resume talks on february 26th. after an eight-month suspension to discuss iran's nuclear program. >>> mario draghi said he expects the region's weakne